Hiccups originate from the diaphragm, the dome-shaped muscle between lungs and stomach. They occur when the diaphragm contracts involuntarily, causing air to enter the throat. The medical term "singultus" comes from Latin meaning "to catch your breath while sobbing"
Diaphragm is a parachute-shaped muscle separating chest and abdomen. Right dome is larger than left, anchored to ribs and spine. Contains three major openings for major vessels and nerves. Located between thoracic and abdominal cavities
Hiccups are uncontrollable diaphragm spasms producing a "hic" sound. Most hiccups last only a few minutes, rarely months. Symptoms include uncontrolled diaphragm movements and chest tightening
HIE is global brain injury in term neonates after asphyxia. Occurs in 2-9 per 1000 live births. Most common cause of cerebral palsy in children
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Hiccup is involuntary diaphragm contraction that may occur several times per minute. Triggers strong diaphragm contraction followed by vocal cord closure. Can occur individually or in bouts with constant rhythm. Usually resolves without intervention, but home remedies exist